
In Novartis AG v. Noven Pharm. Inc., Appeal 2016-1678-1679 (April 2017), Novartis appealed two PTAB decisions holding claims of two patents obvious over cited prior art (IPR2014-00549 and IPR2014-00550), arguing that previous judicial holdings of non-obviousness should control the PTAB’s factual findings and that the claims should have been held non-obvious.
The two Novartis patents at issue (U.S. Patent Nos. 6,316,023 and 6,335,031) were from the same patent family and are directed to a pharmaceutical composition comprising rivastigmine (Exelon®) and an antioxidant for the treatment of Alzheimer’s disease.
Continue Reading PTAB Not Always Bound By Previous Court Decisions Regarding Patent Validity
The Federal Circuit’s decision in Eli Lilly & Co. v. Teva Parenteral Medicines, Inc., 845 F.3d 1357 (Fed. Cir. 2017) attracted much attention for applying the theory of divided infringement in the context of pharmaceutical therapeutic regimen claims. Before the Federal Circuit decision, a scrum of petitioners successfully petitioned for IPR of the Lilly patent, alleging that the claims were obvious in view of a combination of references that included prior art considered by the court in the litigation. Our previous
Two recent Federal Circuit decisions illustrate how an error in construing claims may lead the court to reverse a PTAB final written decision. In 


On October 24, 2017, the PTAB held its inaugural “Chat with the Chief” webinar. The main topic of the webinar was to discuss multiple petitions filed against the same patent. The PTAB sought to address concerns that have been raised by patent owners that challengers just keep filing petitions until something sticks, and that petitioners presenting multiple petitions unfairly gain an advantage by obtaining information from the Patent Owner’s response to the first petition or the Board’s Institution Decision that help provide a roadmap for the subsequent petition. The PTAB presents results from an internal study that appears intended to alleviate these concerns.
